
A.20
B.40
C.50
D.60
[单选题]A.20B.40C.50D.60
[单选题]A.20B.40C.50D.60
[单选题]A.20B.40C.50D.60
[单选题]A.20B.40C.50D.60
[单选题]A.20B.40C.50D.60
[B单选题]前述汽车损失分布的标准差为()。A.400B.16000C.D.160000
[B单选题]前述汽车损失分布的变异系数为()。A.4/5B.3/4C.4/3D.
[单选题]A.203.99B.224.39C.315.30D.530.00